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|Previously Proposed Denomination:||'NY139'|
|Botanical Name:||Solanum tuberosum|
Cornell Center for Technology, Enterprise & Commercialization
395 Pine Tree Road, Suite 310
Ithaca, New York
United States of America
Walter De Jong, Cornell University, Ithaca, United States of America
|Agent in Canada:||
La Patate Lac-St-Jean
|Protective direction granted:||2007-05-30|
|Grant of Rights Date:||2012-06-24|
|Grant of Rights Termination Date:||2030-06-24|
Variety used for comparison: 'Snowden'
Summary: The plants of 'NY139' have an intermediate foliage type structure whereas it is leaf type for 'Snowden'. The main stems of 'NY139' are thinner and have stronger anthocyanin colouration than 'Snowden'. 'NY139' has a lighter green leaf colour than the reference variety. The lateral leaflet of 'NY139' has a narrowly ovate shape with an obtuse base whereas it is medium ovate shape with a cordate base for the reference variety. 'NY139' has an medium number of red-violet flowers of medium size whereas the reference variety has few small white flowers. The anthocyanin colouration of the peduncle and on the inner surface of the corolla of 'NY139' is stronger than the reference variety. The colouration of the tuber skin of 'NY139' is light beige whereas it is chamois for 'Snowden'.
PLANT: semi-upright growth habit, intermediate type foliage structure, mid-season to late maturity
STEM: weak anthocyanin colouration, medium thickness of main stem, low to medium swelling at nodes
LEAVES: light green, intermediate silhouette, absent to weak anthocyanin colouration in rachis, absent to very weak anthocyanin colouration in the petiole, weak presence of secondary leaflets
TERMINAL LEAFLET: medium ovate, acuminate tip, obtuse base, medium depth of veins, weak waviness of margin, medium glossiness of upper side, no pubescence
LATERAL LEAFLET: medium size, narrowly ovate, acuminate tip, obtuse base, medium depth of veins, weak waviness of margin, medium glossiness of upper side, no pubescence
INFLORESCENCE: medium flowering profusion, medium size, moderate flower bud persistence
COROLLA: red-violet, strong anthocyanin colouration on inner surface, small to medium size, weak prominence of star, medium to strong anthocyanin in peduncle
TUBER: round, white flesh with no secondary colour
TUBER EYES: shallow to intermediate depth, evenly distributed, slightly prominent eyebrows
TUBER SKIN: light beige, white at base of eye, smooth texture
LIGHT SPROUT: ovoid shape, medium number of root tips, long lateral shoots
BASE: medium to strong anthocyanin colouration, medium blue in anthocyanin colouration, dense pubescence
TIP: closed habit
Origin & Breeding History: The potato clone 'NY139', previously evaluated as Y18-9, resulted from a cross made in early 1998 at Cornell University between the chipping clones NY120 (female parent) and NY115 (male parent). Seed from this cross was first sown in 1999 and transplanted on Mount Pleasant, near Ithaca, New York. Traits that were used for selection were the ability to chip directly from 44F cold storage, freedom from internal and external physical defects, resistance to scab, resistance to the golden nematode, specific gravity, maturity, and yield.
Tests & Trials: Tests and trials occurred during the summer of 2007 in Rawdon, Quebec. Sixty plants of each variety were in trial.
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